Stool



FIG. 1 is a front perspective view of the stool according to the claimed design in a closed condition;

FIG. 2 is a front perspective view of the stool in an open operational condition;

FIG. 3 is a top plan view of the stool of FIG. 1;

FIG. 4 is a bottom plan view of the stool of FIG. 1;

FIG. 5 is a rear elevational view of the stool of FIG. 1, the right and left side elevational views being identical thereto; and,

FIG. 6 is a front elevational view of the stoop in the open operational condition. 

I claim the ornamental design for the stool, as shown and described. 